28185660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 92619072

約数和(自身を除く): 64433412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 61, 68, 85, 90, 102, 122, 151, 153, 170, 180, 183, 204, 244, 255, 302, 305, 306, 340, 366, 453, 510, 549, 604, 610, 612, 732, 755, 765, 906, 915, 1020, 1037, 1098, 1220, 1359, 1510, 1530, 1812, 1830, 2074, 2196, 2265, 2567, 2718, 2745, 3020, 3060, 3111, 3660, 4148, 4530, 5134, 5185, 5436, 5490, 6222, 6795, 7701, 9060, 9211, 9333, 10268, 10370, 10980, 12444, 12835, 13590, 15402, 15555, 18422, 18666, 20740, 23103, 25670, 27180, 27633, 30804, 31110, 36844, 37332, 38505, 46055, 46206, 46665, 51340, 55266, 62220, 77010, 82899, 92110, 92412, 93330, 110532, 115515, 138165, 154020, 156587, 165798, 184220, 186660, 231030, 276330, 313174, 331596, 414495, 462060, 469761, 552660, 626348, 782935, 828990, 939522, 1409283, 1565870, 1657980, 1879044, 2348805, 2818566, 3131740, 4697610, 5637132, 7046415, 9395220, 14092830, 28185660]

約数ペア:

[(1, 28185660), (2, 14092830), (3, 9395220), (4, 7046415), (5, 5637132), (6, 4697610), (9, 3131740), (10, 2818566), (12, 2348805), (15, 1879044), (17, 1657980), (18, 1565870), (20, 1409283), (30, 939522), (34, 828990), (36, 782935), (45, 626348), (51, 552660), (60, 469761), (61, 462060), (68, 414495), (85, 331596), (90, 313174), (102, 276330), (122, 231030), (151, 186660), (153, 184220), (170, 165798), (180, 156587), (183, 154020), (204, 138165), (244, 115515), (255, 110532), (302, 93330), (305, 92412), (306, 92110), (340, 82899), (366, 77010), (453, 62220), (510, 55266), (549, 51340), (604, 46665), (610, 46206), (612, 46055), (732, 38505), (755, 37332), (765, 36844), (906, 31110), (915, 30804), (1020, 27633), (1037, 27180), (1098, 25670), (1220, 23103), (1359, 20740), (1510, 18666), (1530, 18422), (1812, 15555), (1830, 15402), (2074, 13590), (2196, 12835), (2265, 12444), (2567, 10980), (2718, 10370), (2745, 10268), (3020, 9333), (3060, 9211), (3111, 9060), (3660, 7701), (4148, 6795), (4530, 6222), (5134, 5490), (5185, 5436)]